rosapps/calc/main.c

   1 /*
   2  *  ReactOS calc
   3  *
   4  *  calc.c
   5  *
   6  *  Copyright (C) 2002  Robert Dickenson <robd@reactos.org>
   7  *
   8  *  This program is free software; you can redistribute it and/or modify
   9  *  it under the terms of the GNU General Public License as published by
  10  *  the Free Software Foundation; either version 2 of the License, or
  11  *  (at your option) any later version.
  12  *
  13  *  This program is distributed in the hope that it will be useful,
  14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *  GNU General Public License for more details.
  17  *
  18  *  You should have received a copy of the GNU General Public License
  19  *  along with this program; if not, write to the Free Software
  20  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21  */
  22
  23 #define WIN32_LEAN_AND_MEAN     // Exclude rarely-used stuff from Windows headers
  24 #include <windows.h>
  25 #include <tchar.h>
  26
  27 #include "main.h"
  28 #include "button.h"
  29 #include "settings.h"
  30
  31
  32 // Global Variables:
  33 HINSTANCE hInst;
  34 HWND hDlgWnd;
  35 TCHAR szTitle[MAX_LOADSTRING];
  36 CALC_TYPES CalcType;
  37 HACCEL hAccel;
  38
  39 BOOL bDigitGrouping = FALSE;
  40
  41 /*TODO: Figure out why we are copying MFC map style programming.
  42 **      This pattern is difficult to maintain.
  43 */
  44 #define BEGIN_CMD_MAP(a) switch(##a) {
  45 #define CMD_MAP_ENTRY(a, b) case a: b(); break;
  46 #define END_CMD_MAP(a) }
  47
  48
  49 BOOL OnCreate(HWND hWnd)
  50 {
  51     HMENU   hMenu;
  52     HMENU   hViewMenu;
  53
  54     hMenu = GetMenu(hDlgWnd);
  55     hViewMenu = GetSubMenu(hMenu, ID_MENU_VIEW);
  56     if (bDigitGrouping) {
  57         CheckMenuItem(hViewMenu, ID_VIEW_DIGIT_GROUPING, MF_BYCOMMAND|MF_CHECKED);
  58     }
  59
  60     //SendMessage(hDlgWnd, WM_SETICON, ICON_BIG, (LPARAM)LoadIcon(hInst, MAKEINTRESOURCE(IDI_CALC)));
  61
  62     // Initialize the Windows Common Controls DLL
  63     //InitCommonControls();
  64
  65     return TRUE;
  66 }
  67
  68 void OnEditCopy(void)
  69 {
  70     SendMessage(GetDlgItem(hDlgWnd, IDC_RESULT), WM_COMMAND, MAKELONG(ID_EDIT_COPY, 0), 0);
  71 }
  72
  73 void OnEditPaste(void)
  74 {
  75     SendMessage(GetDlgItem(hDlgWnd, IDC_RESULT), WM_COMMAND, MAKELONG(ID_EDIT_PASTE, 0), 0);
  76 }
  77
  78 void OnViewStandard(void)
  79 {
  80     CalcType = STANDARD;
  81     DestroyWindow(hDlgWnd);
  82 }
  83
  84 void OnViewScientific(void)
  85 {
  86     CalcType = SCIENTIFIC;
  87     DestroyWindow(hDlgWnd);
  88 }
  89
  90 void OnViewDigitGrouping(void)
  91 {
  92     HMENU hMenu = GetMenu(hDlgWnd);
  93     HMENU hViewMenu = GetSubMenu(hMenu, ID_MENU_VIEW);
  94     bDigitGrouping = !bDigitGrouping;
  95     if (bDigitGrouping) {
  96         CheckMenuItem(hViewMenu, ID_VIEW_DIGIT_GROUPING, MF_BYCOMMAND|MF_CHECKED);
  97     } else {
  98         CheckMenuItem(hViewMenu, ID_VIEW_DIGIT_GROUPING, MF_BYCOMMAND|MF_UNCHECKED);
  99     }
 100 }
 101
 102 void OnViewHex(void)
 103 {
 104 }
 105
 106 void OnViewDecimal(void)
 107 {
 108 }
 109
 110 void OnViewOctal(void)
 111 {
 112 }
 113
 114 void OnViewBinary(void)
 115 {
 116 }
 117
 118 void OnViewDegrees(void)
 119 {
 120 }
 121
 122 void OnViewRadians(void)
 123 {
 124 }
 125
 126 void OnViewGrads(void)
 127 {
 128 }
 129
 130 void OnHelpTopics(void)
 131 {
 132     WinHelp(hDlgWnd, _T("calc"), HELP_CONTENTS, 0);
 133 }
 134
 135 void OnHelpAbout(void)
 136 {
 137 }
 138 void OnButtonClick(int ButtonID)
 139 {
 140 }
 141 // Message handler for dialog box.
 142 LRESULT CALLBACK CalcWndProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
 143 {
 144     switch (message) {
 145     case WM_INITDIALOG:
 146         hDlgWnd = hDlg;
 147         InitColours();
 148         return OnCreate(hDlg);
 149
 150     case WM_DRAWITEM:
 151         DrawItem((LPDRAWITEMSTRUCT)lParam);
 152         return TRUE;
 153
 154     case WM_COMMAND:
 155         if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL) {
 156             EndDialog(hDlg, LOWORD(wParam));
 157             return TRUE;
 158         }
 159
 160         if (HIWORD(wParam) == BN_CLICKED) {
 161             switch (LOWORD(wParam)) {
 162               OnButtonClick(LOWORD(wParam));
 163               //case IDC_OWNERDRAW:
 164 //                 // application-defined processing
 165 //                 break;
 166             }
 167         }
 168
 169         //BEGIN_CMD_MAP( LOWORD(wParam) )
 170                 switch (LOWORD(wParam))
 171                 {
 172             CMD_MAP_ENTRY(ID_EDIT_COPY,           OnEditCopy)
 173             CMD_MAP_ENTRY(ID_EDIT_PASTE,          OnEditPaste)
 174             CMD_MAP_ENTRY(ID_VIEW_STANDARD,       OnViewStandard)
 175             CMD_MAP_ENTRY(ID_VIEW_SCIENTIFIC,     OnViewScientific)
 176             CMD_MAP_ENTRY(ID_VIEW_DIGIT_GROUPING, OnViewDigitGrouping)
 177             CMD_MAP_ENTRY(ID_VIEW_HEX,            OnViewHex)
 178             CMD_MAP_ENTRY(ID_VIEW_DECIMAL,        OnViewDecimal)
 179             CMD_MAP_ENTRY(ID_VIEW_OCTAL,          OnViewOctal)
 180             CMD_MAP_ENTRY(ID_VIEW_BINARY,         OnViewBinary)
 181             CMD_MAP_ENTRY(ID_VIEW_DEGREES,        OnViewDegrees)
 182             CMD_MAP_ENTRY(ID_VIEW_RADIANS,        OnViewRadians)
 183             CMD_MAP_ENTRY(ID_VIEW_GRADS,          OnViewGrads)
 184             CMD_MAP_ENTRY(ID_HELP_TOPICS,         OnHelpTopics)
 185             CMD_MAP_ENTRY(ID_HELP_ABOUT,          OnHelpAbout)
 186                 }
 187         //END_CMD_MAP(0)
 188         break;
 189 /*
 190     case WM_KEYUP:
 191     case WM_KEYDOWN:
 192         {
 193         MSG msg;
 194         msg.hwnd = hDlg;
 195         msg.message = message;
 196         msg.wParam = wParam;
 197         msg.lParam = lParam;
 198 //        msg.time;
 199 //        msg.pt;
 200         if (TranslateAccelerator(hDlg, hAccel, &msg)) return 0;
 201         }
 202         break;
 203  */
 204     case WM_NOTIFY:
 205         {
 206         int     idctrl;
 207         LPNMHDR pnmh;
 208         idctrl = (int)wParam;
 209         pnmh = (LPNMHDR)lParam;
 210 /*
 211         if ((pnmh->hwndFrom == hTabWnd) &&
 212             (pnmh->idFrom == IDC_TAB) &&
 213             (pnmh->code == TCN_SELCHANGE))
 214         {
 215             _OnTabWndSelChange();
 216         }
 217  */
 218         }
 219         break;
 220
 221      case WM_DESTROY:
 222         WinHelp(hDlgWnd, _T("regedit"), HELP_QUIT, 0);
 223         return DefWindowProc(hDlg, message, wParam, lParam);
 224     }
 225     return 0;
 226 }
 227
 228 int APIENTRY WinMain(HINSTANCE hInstance,
 229                      HINSTANCE hPrevInstance,
 230                      LPSTR     lpCmdLine,
 231                      int       nCmdShow)
 232 {
 233     CALC_TYPES CurrentCalcType;
 234
 235     // Initialize global variables
 236     hInst = hInstance;
 237     LoadString(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
 238
 239     // Load our settings from the registry
 240     LoadSettings();
 241
 242     hAccel = LoadAccelerators(hInstance, (LPCTSTR)IDR_ACCELERATOR);
 243
 244     do {
 245         CurrentCalcType = CalcType;
 246         switch (CalcType) {
 247         case HP42S:
 248             break;
 249         case SCIENTIFIC:
 250             DialogBox(hInst, (LPCTSTR)IDD_SCIENTIFIC, NULL, (DLGPROC)CalcWndProc);
 251             break;
 252         case STANDARD:
 253         default:
 254             DialogBox(hInst, (LPCTSTR)IDD_STANDARD, NULL, (DLGPROC)CalcWndProc);
 255             break;
 256         }
 257     } while (CalcType != CurrentCalcType);
 258
 259     // Save our settings to the registry
 260     SaveSettings();
 261     return 0;
 262 }
 263